How to Create an Amazing Firefighter Siren!

Feb 1, 2014 10:06 AM
635268243118648416.jpg

At a certain moment in our lives all of us wanted to be a fire fighter. To simulate that effect, we created a super-awesome siren. With two 555-timer chips and lots of trail and error, we were able to create this awful noise.

We're sorry for all headphone users...

Related Articles

634842686294223588.jpg

Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone

How to Hack Your Electricity Meter

Comments

No Comments Exist

Be the first, drop a comment!